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Title: ball bearing form britannia tubular bridge [Go to resource]
Description: Ball bearing, London & North Western Railway, brass expansion bearing in housing, from Britannia Tubular Bridge, in perspex case. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: ball bearing Source: Science Museum Identifier: 1986-7241 Go to resource More Like this...
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